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Cathodoluminescence (CL) petrography provides a unique capability for documenting physical and chemical diagenetic processes in sandstones, particularly those cemented by quartz. Mostdetrital quartz grains display relatively intense CL owing to lattice defects and trace cation inclusions inherited from crystalline source rocks. In contrast, most authigenic quartz contains fewer lattice defects and trace cations, and therefore displays less intense CL.

Detrital grains, cement, and porosity can be objectively identified and measured using CL petrography. These measurements allow quantitative evaluation of total compaction, which is inferred by calculating intergranular volume (intergranular cement plus intergranular porosity), and cementation. An estimate of chemical...

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